British East Africa. (Tanganyika). 1940. Envelope addressed to Switzerland bearing Kenya SG 132, 5c green and black , SG 139, 20c orange and grey and SG 144. 50c purple and black tied by Arusha double ring '18th Oct 40' with 'Opened by Censor/892' label with 'Passed by Censor/Mombasa/ 2' hand-stamp in violet , routed via Egypt with circular 'Censorship Dept/ M' censor cachet in carmine on face. Nice item of censored mail via Egypt.